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Articles 130951 - 130980 of 5154732

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Full Issue, Ontario Field Ornithologists (Ofo) Oct 2025

Full Issue, Ontario Field Ornithologists (Ofo)

Ontario Birds

No abstract provided.


An Unusual Depredation Event By An American Black Bear In A Great Blue Heron Colony, Ken Macdonald, Susan Macdonald, Martyn E. Obbard Oct 2025

An Unusual Depredation Event By An American Black Bear In A Great Blue Heron Colony, Ken Macdonald, Susan Macdonald, Martyn E. Obbard

Ontario Birds

No abstract provided.


Ontario Trumpeter Swan Restoration: Current Population Status And Distribution, Vernon G. Thomas, Harry G. Lumsden, Gary Lane, Kyna Intini Oct 2025

Ontario Trumpeter Swan Restoration: Current Population Status And Distribution, Vernon G. Thomas, Harry G. Lumsden, Gary Lane, Kyna Intini

Ontario Birds

No abstract provided.


Ontario Bird Records Committee Report For 2020, Daniel J. Riley, Barbara N. Charlton, Mike V.A. Burrell, Kenneth G.D. Burrell, Amanda C. Guercio, Reuven D. Martin, Mark D. Read, Adam P. Timpf Oct 2025

Ontario Bird Records Committee Report For 2020, Daniel J. Riley, Barbara N. Charlton, Mike V.A. Burrell, Kenneth G.D. Burrell, Amanda C. Guercio, Reuven D. Martin, Mark D. Read, Adam P. Timpf

Ontario Birds

No abstract provided.


Northern Cardinal Irruption Into Northern Ontario, November 2020, Brian D. Ratcliff, W. Carter Dorscht, Roxane D. Filion Oct 2025

Northern Cardinal Irruption Into Northern Ontario, November 2020, Brian D. Ratcliff, W. Carter Dorscht, Roxane D. Filion

Ontario Birds

No abstract provided.


Back Matter, Ontario Field Ornithologists Oct 2025

Back Matter, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Letter To The Editors: Comments On Aberrant Colouration Articles In Ontario Birds, Ontario Field Ornithologists Oct 2025

Letter To The Editors: Comments On Aberrant Colouration Articles In Ontario Birds, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Cover, Ontario Field Ornithologists Oct 2025

Cover, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Full Issue, Ontario Field Ornithologists Oct 2025

Full Issue, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Contents, Ontario Field Ornithologists Oct 2025

Contents, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Bald Northern Cardinal In Niagara Region, Ontario, Rafael Fernandes Oct 2025

Bald Northern Cardinal In Niagara Region, Ontario, Rafael Fernandes

Ontario Birds

No abstract provided.


Observations Of Nelson’S And Leconte’S Sparrows In Southwestern James Bay, Ontario, Rebekah N. Persad, Amelia J. Macdonald, Christian A. Friis Oct 2025

Observations Of Nelson’S And Leconte’S Sparrows In Southwestern James Bay, Ontario, Rebekah N. Persad, Amelia J. Macdonald, Christian A. Friis

Ontario Birds

No abstract provided.


Aberrant Colouration In American Robins In Ontario, Kenneth F. Abraham, Chris J. Risley, D.V. Chip Weseloh Oct 2025

Aberrant Colouration In American Robins In Ontario, Kenneth F. Abraham, Chris J. Risley, D.V. Chip Weseloh

Ontario Birds

No abstract provided.


A Male Field Sparrow Paired With A Female Clay-Colored Sparrow In Southeastern Ontario, Samreen Munim, Rachel E. Fanelli, Paul R. Martin Oct 2025

A Male Field Sparrow Paired With A Female Clay-Colored Sparrow In Southeastern Ontario, Samreen Munim, Rachel E. Fanelli, Paul R. Martin

Ontario Birds

No abstract provided.


Abundance And Distribution Of An Exceptional Number Of Red-Necked Grebes In Western Lake Ontario During Spring 2019, Ross W. Wood, Shannon S. Badzinski, Barbara A. Campbell, Brigitte Collins, Shawn W. Meyer, Denby Sadler Oct 2025

Abundance And Distribution Of An Exceptional Number Of Red-Necked Grebes In Western Lake Ontario During Spring 2019, Ross W. Wood, Shannon S. Badzinski, Barbara A. Campbell, Brigitte Collins, Shawn W. Meyer, Denby Sadler

Ontario Birds

The Red-necked Grebe is a regular spring migrant on the Great Lakes and occasionally observed in very large numbers, particularly along the northwestern shore of Lake Ontario. Aerial surveys were flown to document abundance, distribution and habitat use of waterfowl and conspicuous waterbirds along the Ontario shorelines of the lower Great Lakes. On 7 April 2019, we observed a very large number of Red-necked Grebes, estimated at 12,395 individuals, concentrated in western Lake Ontario. The majority of these birds were located offshore along a 20 km span of shoreline between Frenchman’s Bay (Pickering, Ontario) and Bluffer’s Beach (Scarborough, Ontario). However, …


Front Matter, Ontario Field Ornithologists Oct 2025

Front Matter, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Contents, Ontario Field Ornithologists Oct 2025

Contents, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Full Issue, Ontario Field Ornithologists Oct 2025

Full Issue, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Cover, Ontario Field Ornithologists Oct 2025

Cover, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Cover, Ontario Field Ornithologists Oct 2025

Cover, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Front Matter, Ontario Field Ornithologists Oct 2025

Front Matter, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Contents, Ontario Field Ornithologists Oct 2025

Contents, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


Full Issue, Ontario Field Ornithologists Oct 2025

Full Issue, Ontario Field Ornithologists

Ontario Birds

No abstract provided.


In Memoriam: George K. Peck, Jim Richards, Bob Montgomerie Oct 2025

In Memoriam: George K. Peck, Jim Richards, Bob Montgomerie

Ontario Birds

No abstract provided.


Northern Shrike Observed Feeding On Suet, Rick Stronks, Kelly Stronks Oct 2025

Northern Shrike Observed Feeding On Suet, Rick Stronks, Kelly Stronks

Ontario Birds

No abstract provided.


Pink-Footed Goose: New To Ontario, Bruce M. Di Labio, Jacques M. Bouvier Oct 2025

Pink-Footed Goose: New To Ontario, Bruce M. Di Labio, Jacques M. Bouvier

Ontario Birds

No abstract provided.


Blue Jay Spiral Flight: A Possible Novel Courtship Behaviour?, Tim Bellhouse Oct 2025

Blue Jay Spiral Flight: A Possible Novel Courtship Behaviour?, Tim Bellhouse

Ontario Birds

No abstract provided.


Feeding Niche Overlap And Segregation Among Three Grouse Species Wintering In Hudson Bay Lowlands Of Northern Ontario, Vernon G. Thomas Oct 2025

Feeding Niche Overlap And Segregation Among Three Grouse Species Wintering In Hudson Bay Lowlands Of Northern Ontario, Vernon G. Thomas

Ontario Birds

The Hudson Bay Lowlands of northern Ontario (comprising tundra and taiga) provide winter habitats for Willow Ptarmigan and Sharp-tailed Grouse as well as Rock Ptarmigan that occasionally fly in from arctic and subarctic regions. Winter food niche segregation/overlap was measured among these three species to investigate potential feeding competition; tamarack and berries were quantified by number and mass in the crops of grouse collected from the vicinity of the former community of Winisk, Ontario (now Peawanuck). All grouse species fed on birch and it was the principal food for Sharp-tailed Grouse. Willow was eaten primarily by Willow and Rock Ptarmigan. …


Ontario Bird Records Committee Report For 2019, Daniel J. Riley, Barbara N. Charlton, Mike V.A. Burrell, Kenneth G.D. Burrell, Amanda C. Guercio, William G. Lamond, Blake A. Mann, Reuven D. Martin, Donald A. Sutherland Oct 2025

Ontario Bird Records Committee Report For 2019, Daniel J. Riley, Barbara N. Charlton, Mike V.A. Burrell, Kenneth G.D. Burrell, Amanda C. Guercio, William G. Lamond, Blake A. Mann, Reuven D. Martin, Donald A. Sutherland

Ontario Birds

No abstract provided.


Letter To The Editors: Comment On Riley (2020), Alexander L. Darling Oct 2025

Letter To The Editors: Comment On Riley (2020), Alexander L. Darling

Ontario Birds

No abstract provided.